docs: def add_to_bashrc(self,
  	                  line,
  	                  match_regexp=None,
  	                  note=None,
  	                  loglevel=logging.DEBUG):
  		"""Takes care of adding a line to everyone's bashrc
  		(/etc/bash.bashrc).
  
  		@param line:          Line to add.
  		@param match_regexp:  See add_line_to_file()
  		@param note:          See send()
  
  		@return:              See add_line_to_file()
  		"""
  		shutit = self.shutit
  		shutit.handle_note(note)
  		if not shutit_util.check_regexp(match_regexp):
  			shutit.fail('Illegal regexp found in add_to_bashrc call: ' + match_regexp) # pragma: no cover
  		if self.whoami() == 'root':
  			shutit.add_line_to_file(line, '/root/.bashrc', match_regexp=match_regexp, loglevel=loglevel)
  		else:
  			shutit.add_line_to_file(line, '${HOME}/.bashrc', match_regexp=match_regexp, loglevel=loglevel)
  		shutit.add_line_to_file(line, '/etc/bash.bashrc', match_regexp=match_regexp, loglevel=loglevel)
  		return True